can't open terminal

[jstorimer]

Can't open terminal
I think I may have done a stupid thing.

I wanted to be able to start a program from the terminal so I just what I thought was the binary into the /bin/bash folder of my OS X install.

Now when I try to open my terminal I get this:

dyld: Library not loaded: @loader_path/../Frameworks/Sparkle.framework/Versions/A/Sparkle
  Referenced from: /bin/bash
  Reason: image not found
/bin/bash ; exit;

[Process completed]

The program in question is gitx if that makes a difference.
Now I can't open a terminal, or /bin/bash or bin/tcsh or any of those and I can't seem to get at the /bin/bash folder (if that is even a folder!)
Any suggestions?

Thanks,
Jesse